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IMMUNITYSEC

CVE-2020-17087

Windows Kernel Local Elevation of Privilege Vulnerability

7.8
HIGH
CVSS 3.1
EPSS 5.4% · 92nd pctCISA KEV · Exploited in the wild
2020-11-11•Updated 2025-10-21•KEV 2021-11-03
CISA Known Exploited Vulnerabilities

Microsoft Windows Kernel Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2021-11-03
Remediation due
2022-05-03

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-17087

Description

Windows Kernel Local Elevation of Privilege Vulnerability

Severity

CVSS 3.1 · CNA7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
SSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal

Affected Products

VendorProductAffected versions
MicrosoftWindows 10 Version 1803
10.0.0 to <publication
MicrosoftWindows 10 Version 1809
10.0.0 to <publication
MicrosoftWindows Server 2019
10.0.0 to <publication
MicrosoftWindows Server 2019 (Server Core installation)
10.0.0 to <publication
MicrosoftWindows 10 Version 1909
10.0.0 to <publication
MicrosoftWindows Server, version 1909 (Server Core installation)
10.0.0 to <publication
MicrosoftWindows 10 Version 1903 for 32-bit Systems
10.0.0 to <publication
MicrosoftWindows 10 Version 1903 for x64-based Systems
10.0.0 to <publication
MicrosoftWindows 10 Version 1903 for ARM64-based Systems
10.0.0 to <publication
MicrosoftWindows Server, version 1903 (Server Core installation)
10.0.0 to <publication
MicrosoftWindows 10 Version 2004
10.0.0 to <publication
MicrosoftWindows Server version 2004
10.0.0 to <publication
MicrosoftWindows 10 Version 20H2
10.0.0 to <publication
MicrosoftWindows Server version 20H2
10.0.0 to <publication
MicrosoftWindows 10 Version 1507
10.0.0 to <publication
MicrosoftWindows 10 Version 1607
10.0.0 to <publication
MicrosoftWindows Server 2016
10.0.0 to <publication
MicrosoftWindows Server 2016 (Server Core installation)
10.0.0 to <publication
MicrosoftWindows 7
6.1.0 to <publication
MicrosoftWindows 7 Service Pack 1
6.1.0 to <publication
MicrosoftWindows 8.1
6.3.0 to <publication
MicrosoftWindows Server 2008 Service Pack 2
6.0.0 to <publication
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)
6.0.0 to <publication
MicrosoftWindows Server 2008 Service Pack 2
6.0.0 to <publication
MicrosoftWindows Server 2008 R2 Service Pack 1
6.1.0 to <publication
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)
6.0.0 to <publication
MicrosoftWindows Server 2012
6.2.0 to <publication
MicrosoftWindows Server 2012 (Server Core installation)
6.2.0 to <publication
MicrosoftWindows Server 2012 R2
6.3.0 to <publication
MicrosoftWindows Server 2012 R2 (Server Core installation)
6.3.0 to <publication

References

1 Links

Record Details

Published
2020-11-11
Last updated
2025-10-21
Assigner (CNA)
microsoft
Credited to
-

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.